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[Investigating][Severity: Critical][Intrusion]

Doutor Coffee: unauthorized access; employee data may have leaked

On 26 October, Doutor Coffee said part of its internal systems was accessed without authorization on 20 October, and personal data of 951 current and former employees of four directly run shops (Seibu Oizumi-gakuen Station, Kunitachi Daigaku-dori, Tokyo Station Yaesu Central Exit and Shakujii-koen Station) may have leaked. The data includes names, dates of birth, addresses, email addresses, phone numbers and bank account details. It says no customer data is affected. It has reported the case to the Personal Information Protection Commission and is still investigating.

Disclosed

2026-10-26

Organizations involved

1

Leaked or at risk

951

951

Downtime

Unknown

Timeline

  1. Detected 2026-10-20
  2. Disclosed 2026-10-26
  3. 6 days

Organizations involved

Open in organization search

Sources

  1. [1][Official]当社の従業員及び退職者の皆様へのお知らせ 当社システムの一部に対する不正アクセスについてDoutor Coffee · 2026-10-26